Hi, I am using unionfs-2.5.8_for_2.6.36.4 with the following mount sequence from the initrd/init-script:
HWMAC="01-$(cat /sys/class/net/eth0/address | /usr/bin/tr ':' '-')" mount -t nfs server:/nfsroot/via-tc/base /root.base -o ro,nolock,async,hard mount -t nfs server:/nfsroot/via-tc/$HWMAC /root.local -o rw,nolock,async,hard mount -t unionfs -o dirs=/root.local=rw:/root.base=ro none /root somewhat after chroot'ing into the new root-fs the machine freezes with: [ 20.042613] unionfs: new lower inode mtime (bindex=0, name=wtmp) [ 20.352012] BUG: unable to handle kernel NULL pointer dereference at 0000000c [ 20.352012] IP: [<c10f1edf>] nfs_file_fsync+0xf/0xa0 [ 20.352012] *pde = 00000000 [ 20.352012] Oops: 0000 [#1] [ 20.352012] last sysfs file: /sys/devices/virtual/net/lo/type [ 20.352012] Modules linked in: fuse loop md_mod dm_mod 8250_pnp uvcvideo snd_usb_audio sg snd_usbmidi_lib videodev v4l1_compat snd_rawmidi sr_mod cdrom ehci_hcd [ 20.352012] [ 20.352012] Pid: 2934, comm: blogd Not tainted 2.6.36.4-via-tc #5 Viotech 3100+/Viotech 3100+ [ 20.352012] EIP: 0060:[<c10f1edf>] EFLAGS: 00010296 CPU: 0 [ 20.352012] EIP is at nfs_file_fsync+0xf/0xa0 [ 20.352012] EAX: 00000000 EBX: db07f240 ECX: c1353e00 EDX: 00000001 [ 20.352012] ESI: 00000001 EDI: daca0d80 EBP: dad94f18 ESP: dad94efc [ 20.352012] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 20.352012] Process blogd (pid: 2934, ti=dad94000 task=da636080 task.ti=dad94000) [ 20.352012] Stack: [ 20.352012] db19f200 00000000 daca0d80 c108c571 db07f240 00000001 daca0d80 dad94f5c [ 20.352012] <0> c10e1bd7 dad94f2c c109ba51 00000000 00000000 db19f200 db030480 00000001 [ 20.352012] <0> db227290 00000001 db2272b4 00000000 db07f2b0 daca0d80 00000000 db227350 [ 20.352012] Call Trace: [ 20.352012] [<c108c571>] ? vfs_write+0x101/0x140 [ 20.352012] [<c10e1bd7>] ? unionfs_fsync+0x1d7/0x220 [ 20.352012] [<c109ba51>] ? dput+0x81/0xf0 [ 20.352012] [<c10a9bbe>] ? vfs_fsync_range+0x6e/0x90 [ 20.352012] [<c10a9c92>] ? vfs_fsync+0x22/0x30 [ 20.352012] [<c10a9cca>] ? do_fsync+0x2a/0x50 [ 20.352012] [<c10a9ee0>] ? sys_fdatasync+0x10/0x20 [ 20.352012] [<c10029d7>] ? sysenter_do_call+0x12/0x26 [ 20.352012] Code: 24 04 c7 04 24 72 86 3e c1 e8 51 e0 24 00 8b 55 f4 eb a3 89 f6 8d bc 27 00 00 00 00 55 89 e5 83 ec 1c 89 5d f4 89 75 f8 89 7d fc <8b> 48 0c f6 05 d0 2a 54 c1 40 8b 58 64 8b 71 0c 75 51 8b 86 90 [ 20.352012] EIP: [<c10f1edf>] nfs_file_fsync+0xf/0xa0 SS:ESP 0068:dad94efc [ 20.352012] CR2: 000000000000000c [ 20.354161] ---[ end trace d1e936496605eb97 ]--- any idea? is this a bug related to unionfs or nfs? -- NEU: FreePhone - kostenlos mobil telefonieren und surfen! Jetzt informieren: http://www.gmx.net/de/go/freephone _______________________________________________ unionfs mailing list: http://unionfs.filesystems.org/ [email protected] http://www.fsl.cs.sunysb.edu/mailman/listinfo/unionfs
